S3JB-TP General Purpose Rectifier Diode 600V 3A DO-214AA Equivalent & Substitute Parts

Part Overview

The S3JB-TP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 600V DC reverse voltage and 3A average rectified current in a surface mount DO-214AA (SMB) package. This component is classified as Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified based on matching or exceeding the electrical specifications and mechanical compatibility requirements of the original part. Substitution becomes necessary due to supply chain availability, manufacturing discontinuation, or design optimization requirements while maintaining functional equivalence.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 3 A	V
Current - Reverse Leakage @ Vr	10	µA @ 600 V
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S3JB-TP are grouped based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 600V minimum
Current - Average Rectified (Io): 3A minimum
Package / Case: DO-214AA or SMB equivalent
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Considerations:

Voltage - Forward (Vf) (Max) @ If: Lower or equal values preferred for efficiency
Current - Reverse Leakage @ Vr: Lower values indicate superior performance
Recovery Speed: Fast Recovery (≤500ns) provides improved switching characteristics compared to Standard Recovery (>500ns)

Parts meeting or exceeding these parameters are classified as direct substitutes. Parts with reduced current ratings (1A or 2A) are identified as partial substitutes suitable only for applications with lower current requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Reverse Leakage @ Vr [µA]	Recovery Speed	Package	RoHS Status
S3JB-TP	Micro Commercial Co	600	3	1.15 @ 3A	10 @ 600V	Standard >500ns	DO-214AA, SMB	ROHS3
MURS360BT3G	onsemi	600	3	1.25 @ 3A	3 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
MURS360S-E3/5BT	Vishay General Semiconductor	600	1.5	1.45 @ 3A	5 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
RS3JB-13-F	Diodes Incorporated	600	3	1.3 @ 3A	5 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
S3JB-13-F	Diodes Incorporated	600	3	1.15 @ 3A	10 @ 600V	Standard >500ns	DO-214AA, SMB	ROHS3
STTH1L06U	STMicroelectronics	600	1	1.3 @ 1A	1 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
STTH1R06U	STMicroelectronics	600	1	1.7 @ 1A	1 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
STTH2L06U	STMicroelectronics	600	2	1.3 @ 2A	2 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
STTH2R06U	STMicroelectronics	600	2	1.7 @ 2A	2 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3
STTH3R06U	STMicroelectronics	600	3	1.7 @ 3A	3 @ 600V	Fast ≤500ns	DO-214AA, SMB	ROHS3

Engineering Selection Recommendations

Direct Substitutes (Full Current Rating - 3A):

The following parts provide complete functional equivalence with 600V reverse voltage and 3A current rating:

S3JB-13-F (Diodes Incorporated): Identical electrical specifications to S3JB-TP with matching forward voltage and reverse leakage characteristics. Standard recovery speed. RoHS3 compliant with unlimited moisture sensitivity. Highest inventory availability (78,400 pcs).
MURS360BT3G (onsemi): Meets voltage and current requirements with improved reverse leakage (3µA vs 10µA). Fast recovery speed provides superior switching performance. RoHS3 compliant. Available in Cut Tape and Digi-Reel packaging.
RS3JB-13-F (Diodes Incorporated): Meets voltage and current requirements with fast recovery speed and reduced reverse leakage (5µA). RoHS3 compliant. Operating temperature range -65°C to 150°C.
STTH3R06U (STMicroelectronics): Meets voltage and current requirements with fast recovery speed (35ns reverse recovery time) and low reverse leakage (3µA). RoHS3 compliant. Operating temperature to 175°C maximum.

Partial Substitutes (Reduced Current Rating):

The following parts are suitable only for applications with current requirements below 3A:

MURS360S-E3/5BT (Vishay): 1.5A current rating. Fast recovery speed. RoHS3 compliant. Operating temperature range -65°C to 175°C.
STTH2L06U and STTH2R06U (STMicroelectronics): 2A current rating. Fast recovery speed. RoHS3 compliant. Operating temperature to 175°C maximum.
STTH1L06U and STTH1R06U (STMicroelectronics): 1A current rating. Fast recovery speed. RoHS3 compliant. Operating temperature to 175°C maximum.

All substitute parts maintain RoHS3 compliance, unlimited moisture sensitivity (MSL 1), and surface mount DO-214AA/SMB package compatibility with the original S3JB-TP specification.

Frequently Asked Questions (FAQ)

Q: Can MURS360S-E3/5BT replace S3JB-TP in all applications?

A: No. MURS360S-E3/5BT has a 1.5A current rating compared to S3JB-TP's 3A rating. It is suitable only for applications with average rectified current requirements of 1.5A or less. Exceeding this current rating will cause component failure.

Q: What is the difference between Standard Recovery and Fast Recovery diodes?

A: Standard Recovery diodes (S3JB-TP, S3JB-13-F) have recovery times exceeding 500ns. Fast Recovery diodes (MURS360BT3G, RS3JB-13-F, STTH series) have recovery times of 500ns or less. Fast Recovery diodes exhibit lower reverse leakage and improved switching characteristics, making them suitable for higher frequency applications.

Q: Are all substitute parts available in the same packaging as S3JB-TP?

A: All substitute parts use the DO-214AA (SMB) surface mount package, ensuring mechanical compatibility. However, packaging format differs: S3JB-TP is supplied in Tape & Reel (TR), while some substitutes (MURS360BT3G, STTH series) are available in Cut Tape (CT) and Digi-Reel formats. Verify packaging format requirements before selection.

Q: Is S3JB-13-F an exact equivalent to S3JB-TP?

A: S3JB-13-F matches S3JB-TP in all critical electrical parameters: 600V reverse voltage, 3A current rating, 1.15V forward voltage at 3A, and 10µA reverse leakage at 600V. Both use Standard Recovery speed and are RoHS3 compliant with unlimited moisture sensitivity. The primary difference is manufacturer (Diodes Incorporated vs Micro Commercial Co).

Q: What is the significance of reverse leakage current specifications?

A: Reverse leakage current indicates the small current flowing through the diode when reverse biased. Lower reverse leakage (1-3µA) indicates superior diode quality and lower power dissipation in reverse bias conditions. S3JB-TP specifies 10µA, while most fast recovery substitutes specify 1-5µA, representing improved performance.

Q: Can STTH3R06U replace S3JB-TP despite higher forward voltage?

A: STTH3R06U has a forward voltage of 1.7V @ 3A compared to S3JB-TP's 1.15V @ 3A. While this represents higher power dissipation, STTH3R06U meets all other requirements: 600V reverse voltage, 3A current rating, fast recovery speed, and RoHS3 compliance. Selection depends on thermal management capability and power budget constraints of the application.

Q: Are moisture sensitivity levels identical across all substitute parts?

A: Yes. S3JB-TP and all listed substitute parts specify MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. All parts can be stored and handled without special moisture control measures.

Q: What operating temperature ranges should be considered when selecting substitutes?

A: S3JB-TP does not specify operating temperature range. Substitute parts specify maximum junction temperatures ranging from 150°C to 175°C. STTH series parts specify -40°C to 175°C or 175°C maximum operating range. Verify application temperature requirements against substitute part specifications.

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